It’s extremely simple to use and once you run it, you will be amazed at the free space you will regain after the operation. That’s why we recommend using specialized software like IObit Uninstaller to remove your antivirus or any other program for that matter. In time, that file accumulation may lead to system slow down and other problems. We say completely because by using the regular uninstalling technique, many programs leave some leftover files behind. If it doesn’t you will need to remove your antivirus completely. Home › Windows 10 › Update & Security › WUS registration missingĪs a result, simply disabling your antivirus may help you fix this problem.